function chk_keyLog(f,str,e){

	f = "document."+f.name;
	if (!e) var e = window.event;
	if((e.keyCode>=48) && (e.keyCode<=57)&&e.ctrlKey == false){
		eval(f+".h_"+str+".value="+f+"."+str+".value");
	} else if ((e.keyCode>=65) && (e.keyCode<=90)&&e.ctrlKey == false){
		eval(f+".h_"+str+".value="+f+"."+str+".value");
	} else if ((e.keyCode>=96) && (e.keyCode<=111)&&e.ctrlKey == false){
		eval(f+".h_"+str+".value="+f+"."+str+".value");
	} else if ((e.keyCode>=186) && (e.keyCode<=222)&&e.ctrlKey == false){
		eval(f+".h_"+str+".value="+f+"."+str+".value");
	} else {
		e.returnValue=false;
	}
}


//img_swap
function swap_image( objImg, str_find, str_replace ){
	objImg.src = objImg.src.replace(str_find,str_replace);
}